Okay, so here's the crazy part. According to Branson, the building will be able to rotate to follow the sun. "The building itself can turn, or the floor can turn, in order to face the sun. To either generate energy from the sun or to heat a particular floor or heat the whole building," says Branson. The concept isn't entirely new, as a similar design is planned for Dubai's Dynamic Tower, but the moevement doesn't stop there. Walls will also be able to move around easily, allowing you to manipulate floor plans whenever you feel like it. Branson also wants to put one of these buildings on the moon, which will